Home / 428,443,677,443.70-591,234,430,295.61-233,127,726,352.83

Finding the Fourth Proportional to 428,443,677,443.70, 591,234,430,295.61 and 233,127,726,352.83

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Solution

The fourth proportional to 428,443,677,443.70, 591,234,430,295.61 and 233,127,726,352.83 is: 321,706,552,652.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,443,677,443.70 : 591,234,430,295.61 = 233,127,726,352.83 : x
  2. Step 2: Convert to fraction form
    428,443,677,443.70/591,234,430,295.61 = 233,127,726,352.83/x
  3. Step 3: Cross multiply
    428,443,677,443.70x = 591,234,430,295.61 × 233,127,726,352.83
  4. Step 4: Simplify right side
    428,443,677,443.70x = 137,833,138,476,326,301,204,480
  5. Step 5: Solve for x
    x = 137,833,138,476,326,301,204,480/428,443,677,443.70
  6. Step 6: Final answer
    x = 321,706,552,652.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.